Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
Jonathan Roelofs | 8d86b2e | 2014-09-05 19:45:05 +0000 | [diff] [blame^] | 9 | // |
| 10 | // UNSUPPORTED: libcpp-has-no-threads |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 11 | |
| 12 | // <mutex> |
| 13 | |
| 14 | // template <class Mutex> class unique_lock; |
| 15 | |
| 16 | // unique_lock& operator=(unique_lock&& u); |
| 17 | |
| 18 | #include <mutex> |
| 19 | #include <cassert> |
| 20 | |
| 21 | std::mutex m0; |
| 22 | std::mutex m1; |
| 23 | |
| 24 | int main() |
| 25 | { |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 26 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 27 | std::unique_lock<std::mutex> lk0(m0); |
| 28 | std::unique_lock<std::mutex> lk1(m1); |
| 29 | lk1 = std::move(lk0); |
| 30 | assert(lk1.mutex() == &m0); |
| 31 | assert(lk1.owns_lock() == true); |
| 32 | assert(lk0.mutex() == nullptr); |
| 33 | assert(lk0.owns_lock() == false); |
Howard Hinnant | 73d21a4 | 2010-09-04 23:28:19 +0000 | [diff] [blame] | 34 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 35 | } |